Average Rating Change when playing as WHITE: +5.692
Average Rating Change when playing as BLACK: +8.814
Average Rating Change Overall: +7.283

Doctor Kibbitz says:"Garrett Spears has been much more successful as Black. Rapidly rising rating reflects player's true strength. When playing Black, He should try to convert unfavorable positions into draws where possible. Garrett has faced opponents with an average rating of 468.3. Garrett should seek opponents of equal or greater strength in order to improve. He has improved by 411 points since 2008-09-20. "